Question

Which one of the following is CORRECT regarding struvite stones in kidney?

I. These are formed in response to bacterial infection.

II. It is a genetic disorder.

III. These grow quickly and become quite large.

IV. Occurs in people who consume a high-protein diet.

V. Affected people excrete too much of certain amino acid.

Options

• II and III only

• III and IV only

• I and III only

• IV and V only

Answer 1

I and III only

Explanation:

• I , Struvite stones form due to bacterial infection (urease-producing bacteria make urine alkaline).
• III, They grow rapidly and become very large (staghorn calculi).